N229AS

Part: FRAME — CRACKED (NR 1 NACELLE)

DURING INSPECTION, FOUND NR 1 NACELLE FRAME CRACKED. MAINTENANCE REPAIRED CRACK IAW EMB 120-54-0027B. OPERATIONAL CHECKS WERE GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: STRAP — CORRODED (CABIN)

DURING INSPECTION, FOUND CORROSION ON CABIN FLOOR SILLS, CROSS MEMBERS, AND BUTTSTRAPS. MAINTENANCE REPAIRED CORROSION IAW EMB CPM 51-144-01 AND MM 51-21-04. OPERATIONAL CHECKS WERE GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: FUSE — FAILED (CABIN)

DURING INSPECTION, FOUND EMERGENCY FLOOR LEVEL LIGHTS BURNED OUT. MAINTENANCE REMOVED AND REPLACED THE BLOWN FUSE. OPERATIONAL CHECKS WERE GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: BATTERY — DISCHARGED (CABIN)

DURING INSPECTION, FOUND EMERGENCY BATTERY PACK INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY BATTERY PACK. OPERATIONAL CHECKS WERE GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING INSPECTION, EMERGENCY BATTERY PACK FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY BATTERY PACK. OPERATIONAL CHECKS WERE GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: ANGLE — CRACKED (LT WING)

DURING INSPECTION FOUND LEFT WING, RIB 17, SPAR ANGLE CRACKED. MCN MAINTENANCE REPAIRED WING SPAR IAW ASA EO120-57-0067, REFERENCE DATA EAC FAX SST-0251/99 AND SRM 51-00-00. (M)

Part: FLOORBEAM — CORRODED (BS 4214)

DURING C-CHECK INSPECTION TASKS, THE OMEGA FLOOR BEAM WAS FOUND CORRODED THROUGH IN SEVERAL PLACES. HEAVY SURFACE CORROSION FOUND ON THE ADJACENT CROSS BEAMS, P/N 120-14243-001. THE CORROSION IS IN THE AREA OF THE PASSENGER ENTRY DOOR AND THE INGRESS OF WATER AND OTHER ELEMENTS POSSIBLY LED TO THE CURRENT STATE OF THE BEAMS. THIS AREA IS DIFFICULT TO INSPECT SINCE THE SEAT RAIL AND CAP COVER THE OMEGA BEAM. PERIODIC BORESCOPE INSPECTION MAY HELP TO ALERT OPERATORS OF IMPENDING PROBLEMS.

Part: SWITCH — SHORTED (COCKPIT)

ON DEPARTURE ATL-TLH, CREW OBSERVED ELECTRICAL SMOKE COMING FROM THE GLARESHIELD PANEL IN THE VICINITY OF THE AUTOPILOT TRANSFER BUTTON. CREW DECLARED AN EMERGENCY AND RETURNED TO ATL WHERE LANDING WAS MADE SAFELY AND WITHOUT FURTHER INCIDENT. ATL MAINTENANCE REMOVED AND REPLACED THE AUTOPILOT TRANSFER SWITCH. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RELEASED FOR FURTHER SERVICE. (M)

Part: EXHAUST STACK — BURNED (LT ENGINE)

FLEW UNEVENTFUL FROM DFW-LFT. WHILE PAX'S WERE DEPLANING IN LFT, A PAX TOLD THE F/A TO TELL THE PILOTS THERE WAS A FIRE IN THE LEFT ENGINE ON T/O FROM DFW. THE PILOT INSPECTED THE AIRCRAFT AND FOUND EXTENSIVE DAMAGE TO THE EXHAUST STACK AND HOLES BURNED THROUGH TO THE HYDRAULIC BAY BELOW. DFW AND TXK MECH'S WERE DISPATCHED, REPLACED THE EXHAUST STACK AND MADE REPAIRS TO ENABLE THE A/C TO FERRY TO MCN. THE A/C WAS FOUND SAFE FOR FERRY FLT AND REPOSITIONED TO MCN ON 11/10/97 FOR FURTHER REPAIRS. INVESTIGATIONS BY EMBRAER (REPORT NR CEPAA-022/98) AND APPLIED TECH SERVICE INC. DETERMINED FIRE RESULT OF PYROPHORIC REACTION OF TITANIUM DUST CREATED BY ABRASIVE WEAR BETWEEN THERMAL BLANKETS.

Part: EXHAUST STACK — BURNED (LT ENGINE)

FLEW UNEVENTFUL FLIGHT FROM DFW-LFT, WHILE PASSENGERS WERE DEPLANING IN LFT, A MAN TOLD THE F/A TO TELL THE PILOTS THAT THERE WAS A FIRE IN THE LEFT ENGINE ON TAKEOFF FROM DFW. THE PILOT INSPECTED THE AIRCRAFT AND FOUND EXTENSIVE DAMAGE TO THE EXHAUST STACK AND HOLES BURNED THROUGH TO THE HYDRAULIC BAY BELOW. DFW AND TXK MECHANICS WERE DISPATCHED, REPLACED THE EXHAUST STACK AND MADE REPAIRS TO ENABLE THE AIRCRAFT TO FERRY TO MCN. THE A/C WAS FOUND SAFE FOR A FERRY FLIGHT AND REPOSITIONED TO MCN FOR FURTHER REPAIRS. (M)

Part: HYDRAULIC LINE — RUPTURED (LT ENGINE)

FLT 7070 - IN BOUND CRW-ATL - LOST HYDRAULIC PRESSURE OF THE GREEN SYSTEM, THEN LOST HYDRAULIC QUANTITY. CREW DECLARED AN EMERGENCY AND LANDED ZERO FLAPS, SAFELY AND WITHOUT FURTHER INCIDENT. SPLICED IN NR 6 STAINLESS STEEL HYDRAULIC LINE AND PERMASWEGED. ALSO REPLACED THE LEFT ENGINE DRIVEN HYDRAULIC PUMP. (M)

Part: STRINGER — CRACKED (RT WING)

DURING INSPECTION, FOUND THE RIGHT WING NR 8 AND NR 10 STRINGERS INBOARD OF NACELLE CRACKED. DETERMINED TO BE A MAJOR IAW SP663 AND FAR 43 APPENDIX A. REPAIRS MADE IAW SRM 57-20-03, FIGURE 201 AND EO120-57-0014. (M)